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Bulbocavernous Reflex

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Other Names

  • BCR
  • Bulbospongiosus Reflex (BSR)
  • Osinski reflex

Purpose

Illustration of the bublocavernous reflex[1]
  • Physical exam finding to evaluate for spinal shock or spinal cord injuries

Description

  • Examiner uses one hand to palpate anal sphincter
  • Second hand squeezes glans penis or clitorus
  • Can alternatively tug on foley catheter to stimulate reflex
  • Positive test
    • anal sphincter contraction with squeezing of glans penis or clitorus

Pathology


Evidence

  • Needs to be updated

See Also


References

  1. Kirshblum, Steven, and Fatma Eren. "Anal reflex versus bulbocavernosus reflex in evaluation of patients with spinal cord injury." Spinal cord series and cases 6.1 (2020): 2.
Created by:
John Kiel on 25 May 2020 00:27:48
Authors:
Last edited:
25 March 2023 06:50:36
Category: